How are 3rd party retailers going to know if your eligible for an upgrade?

[Rooftop voter]

I was going to go to best buy to pre order, but I'm wondering how they are going to know if you qualify for an upgrade? Never done something like this before. Can some one please shine some light on it for me?

 

[gloss]

I was going to go to best buy to pre order, but I'm wondering how they are going to know if you qualify for an upgrade? Never done something like this before. Can some one please shine some light on it for me?

They've got the software to access your AT&T records.

 

[Rooftop voter]

They've got the software to access your AT&T records.

Thanks man. Now I don't have to worry about going through Att.